Founded in 2001, China Welong is a professional international integrated supply chain service provider. We are concentrating on the industrial customized metal products, aiming at empowering the world with the finest supply chain of China. Since the establishment, we are offering Supplier Development & Management, Purchasing Supervising, Quality Control services in China for many leading enterprises in the fields of International Industrial Manufacture, Oil Drilling, Aerospace & High-end Medical Treatment.
Welong service certified with ISO:9001-2015.
Welong make production by incoming drawings and samples.
Range of products we offer:
Sand Casting and Investment casting in gray iron, ductile iron, carbon steel, stainless steel, special alloy steel from 0.5kgs--12000kgs
Sand Casting， Gravity casting and Die casting Aluminum alloy Zinc alloy, Magnesium alloy, Copper alloy, Aluminum copper alloy, Aluminum magnesium alloy, Aluminum Zinc Alloy from 0.02kgs to 20 kgs
Centrifugal casting Carbon steel, Stainless steel, Alloy steel, Superalloy steel, etc.
Max casting weight: 3000kgs
Max casting length: 4000mm
Max diameter: 2000mm
Min diameter: 70mm
Min wall thickness: 8mm
Forging in • AISI 4145H ， AISI 4145H MOD， AISI 4330 AISI 4330V AISI 4142 AISI 4140• 410SS OD from 5“to 42” Length： max 6 mters
Machining parts we have 5-axis CNC， 7 axis CNN， severial
Lathe， Milling ， Planer， Grinding ect we can machine from 0.1kgs to 1 ton parts from casting， forging and stock bar
Shot blasting, Painting, Galvanizing, Powder coating， atotech ，dacromet， Bluing
Our engineering department can also design the drawings for you . We use Auto CAD, Pro-Engineering, Solidworks, We can accept the files *.igs, *.aics, *.dwg,
In the past 20 years， our products shipped to UK， Germany，France， Italy， Poland， USA，Canada Holland， Sweden， Austrial，New zealand， Singapore，India more than 100 customers in Auto industrial，